BASELINE NowYouCanUse.com

Limited Availability

Web serial

The navigator.serial API communicates with devices over serial ports, such as microcontrollers.

Baseline Status: This feature is currently Limited (not yet Baseline). Latest engine implementation shipped on May 19, 2026.

Desktop Browser Engine Support

Google Chrome

89

Supported

Mozilla Firefox

151

Supported

Apple Safari

—

Unsupported

Microsoft Edge

89

Supported

Mobile Browser Engine Support

Chrome Android

148

Firefox Android

—

Safari iOS

—

Specifications and References

Specification ↗ Can I Use (web-serial) ↗ Feature XML ↗

MDN Browser Compat Data Keys:

api.Navigator.serial ↗ api.Serial ↗ api.Serial.getPorts ↗ api.Serial.requestPort ↗ api.Serial.requestPort.allowedBluetoothServiceClassIds_option ↗ api.Serial.requestPort.filters_bluetoothServiceClassId ↗ api.SerialPort ↗ api.SerialPort.close ↗ api.SerialPort.connect_event ↗ api.SerialPort.connect_event.bluetooth_rfcomm ↗ api.SerialPort.connected ↗ api.SerialPort.disconnect_event ↗ api.SerialPort.disconnect_event.bluetooth_rfcomm ↗ api.SerialPort.forget ↗ api.SerialPort.getInfo ↗ api.SerialPort.getInfo.bluetoothServiceClassId ↗ api.SerialPort.getSignals ↗ api.SerialPort.open ↗ api.SerialPort.readable ↗ api.SerialPort.setSignals ↗ api.SerialPort.writable ↗ api.WorkerNavigator.serial ↗ html.elements.iframe.allow.serial ↗ http.headers.Permissions-Policy.serial ↗

id: serial